Spraying in bloom stage could prevent leaves from early aging and promote producing more seeds.
花期喷洒能防止叶片早衰，有明显的保绿作用，促进结实；
Lunongsu sprayed can solve the problems of short of fertilizer and early aging which are caused by film mulched.
绿农素喷施能克服地膜覆盖后追肥难及沙地保肥性差所造成的脱肥、早衰问题。
Addition of mullite short fibre can accelerate precipitation in early aging stage and speed up composite's soften rate in later aging stage, but not alter the precipitation sequence in matrix.
增强体的加入既能加速时效前期沉淀析出又可加快时效后期复合材料的软化，但不改变基体沉淀相的析出顺序，而只影响其析出速度。
Addition of mullite short fibre can accelerate precipitation in early aging stage and speed up composite's soften rate in later aging stage, but not alter the precipitation sequence in matrix.
增强体的加入既能加速时效前期沉淀析出又可加快时效后期复合材料的软化，但不改变基体沉淀相的析出顺序，而只影响其析出速度。
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